ID   G6PI_HELP2              Reviewed;         545 AA.
AC   B6JN06;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 1.
DT   03-AUG-2022, entry version 64.
DE   RecName: Full=Glucose-6-phosphate isomerase {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=GPI {ECO:0000255|HAMAP-Rule:MF_00473};
DE            EC=5.3.1.9 {ECO:0000255|HAMAP-Rule:MF_00473};
DE   AltName: Full=Phosphoglucose isomerase {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=PGI {ECO:0000255|HAMAP-Rule:MF_00473};
DE   AltName: Full=Phosphohexose isomerase {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=PHI {ECO:0000255|HAMAP-Rule:MF_00473};
GN   Name=pgi {ECO:0000255|HAMAP-Rule:MF_00473}; OrderedLocusNames=HPP12_1132;
OS   Helicobacter pylori (strain P12).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=570508;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=P12;
RA   Fischer W., Windhager L., Karnholz A., Zeiller M., Zimmer R., Haas R.;
RT   "The complete genome sequence of Helicobacter pylori strain P12.";
RL   Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the reversible isomerization of glucose-6-phosphate
CC       to fructose-6-phosphate. {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=alpha-D-glucose 6-phosphate = beta-D-fructose 6-phosphate;
CC         Xref=Rhea:RHEA:11816, ChEBI:CHEBI:57634, ChEBI:CHEBI:58225;
CC         EC=5.3.1.9; Evidence={ECO:0000255|HAMAP-Rule:MF_00473};
CC   -!- PATHWAY: Carbohydrate biosynthesis; gluconeogenesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- PATHWAY: Carbohydrate degradation; glycolysis; D-glyceraldehyde 3-
CC       phosphate and glycerone phosphate from D-glucose: step 2/4.
CC       {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- SIMILARITY: Belongs to the GPI family. {ECO:0000255|HAMAP-
CC       Rule:MF_00473}.
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DR   EMBL; CP001217; ACJ08284.1; -; Genomic_DNA.
DR   RefSeq; WP_000957625.1; NC_011498.1.
DR   AlphaFoldDB; B6JN06; -.
DR   SMR; B6JN06; -.
DR   EnsemblBacteria; ACJ08284; ACJ08284; HPP12_1132.
DR   KEGG; hpp:HPP12_1132; -.
DR   HOGENOM; CLU_017947_3_1_7; -.
DR   OMA; IGVWYIN; -.
DR   OrthoDB; 417261at2; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000008198; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0097367; F:carbohydrate derivative binding; IEA:InterPro.
DR   GO; GO:0004347; F:glucose-6-phosphate isomerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006094; P:gluconeogenesis; IEA:UniProtKB-UniRule.
DR   GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-UniRule.
DR   CDD; cd05015; SIS_PGI_1; 1.
DR   CDD; cd05016; SIS_PGI_2; 1.
DR   Gene3D; 1.10.1390.10; -; 1.
DR   HAMAP; MF_00473; G6P_isomerase; 1.
DR   InterPro; IPR001672; G6P_Isomerase.
DR   InterPro; IPR023096; G6P_Isomerase_C.
DR   InterPro; IPR018189; Phosphoglucose_isomerase_CS.
DR   InterPro; IPR046348; SIS_dom_sf.
DR   InterPro; IPR035476; SIS_PGI_1.
DR   InterPro; IPR035482; SIS_PGI_2.
DR   PANTHER; PTHR11469; PTHR11469; 1.
DR   Pfam; PF00342; PGI; 1.
DR   PRINTS; PR00662; G6PISOMERASE.
DR   SUPFAM; SSF53697; SSF53697; 1.
DR   PROSITE; PS00765; P_GLUCOSE_ISOMERASE_1; 1.
DR   PROSITE; PS00174; P_GLUCOSE_ISOMERASE_2; 1.
DR   PROSITE; PS51463; P_GLUCOSE_ISOMERASE_3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Gluconeogenesis; Glycolysis; Isomerase.
FT   CHAIN           1..545
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_1000125730"
FT   ACT_SITE        351
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        382
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        510
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   545 AA;  62311 MW;  C15A812021254A7D CRC64;
     MLTQLKTYPK LLKHYEEIKE AHMRDWFSKD KERASRYFVQ LESLSLDYSK NRLNDTTLKL
     LFELANDCSL KEKIEAMFKG EKINTTEKRA VLHTALRSLN DTEILLDNME VLKSVRSVLK
     RMRAFSDSVR SGKRLGYTNQ VITDIVNIGI GGSDLGALMV CTALKRYGHP RLKMHFVSNV
     DGTQILDVLE KINPASTLFI VASKTFSTQE TLTNALTARK WFVERSGDEK HIAKHFVAVS
     TNKEAVQQFG IDEHNMFEFW DFVGGRYSLW SAIGLSIMIY LGKKNFNALL KGAYLMDEHF
     RNAPFESNLP VLMGLIGVWY INFFQSKSHL IAPYDQYLRH FPKFIQQLDM ESNGKRISKK
     GETIPYDTCP VVWGDMGINA QHAFFQLLHQ GTHLIPIDFI ASLDKKPNAK GHHEILFSNV
     LAQAQAFMKG KSYEEALGEL LFKGLDKDEA KDLAHHRVFF GNRPSNILLL EKISPSNIGA
     LVALYEHKVF VQGVIWDINS FDQWGVELGK ELAVPILQEL EGHKSNAYFD SSTKHLIELY
     KNYNQ